import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import AddGoods from '../components/goods/Add.vue'
import Orders from '../components/orders/Order.vue'
import Echarts from '../components/echarts/Echarts.vue'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
    // 重定向redirect
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    // 成功登录home 重定向到welcome组件页面
    redirect: '/welcome',
    // 子路由
    children: [
      {
        path: '/welcome',
        component: Welcome
      },
      {
        path: '/users',
        component: Users
      },
      {
        path: '/rights',
        component: Rights
      },
      {
        path: '/roles',
        component: Roles
      },
      {
        path: '/categories',
        component: Cate
      },
      {
        path: '/params',
        component: Params
      },
      {
        path: '/goods',
        component: GoodsList
      },
      {
        path: '/goods/add',
        component: AddGoods
      },
      {
        path: '/orders',
        component: Orders
      },
      {
        path: '/reports',
        component: Echarts
      }
    ]
  }
]

const router = new VueRouter({
  routes
})

// 设置路由守卫
router.beforeEach((to, form, next) => {
  // to 即将跳转到什么地方  form 从哪里来的  next 下一步去哪里  next() 直接放行
  if (to.path === '/login') return next()
  // 取出token  使用getItem取出token
  const tokenStr = window.sessionStorage.getItem('token')
  // 判断是否存在
  if (!tokenStr) return next('/login')
  next()
})
export default router
